| 16th Nov 2018 7:00 am | RNS | Director Appointment | 
                                                                            
                                            | 18th Oct 2018 4:40 pm | RNS | Second Price Monitoring Extn | 
                                                                            
                                            | 18th Oct 2018 4:35 pm | RNS | Price Monitoring Extension | 
                                                                            
                                            | 10th Oct 2018 7:00 am | RNS | Q3 2018 Update | 
                                                                            
                                            | 20th Sep 2018 7:00 am | RNS | Interim Results | 
                                                                            
                                            | 16th Jul 2018 7:00 am | RNS | H1 2018 Update | 
                                                                            
                                            | 18th Jun 2018 7:00 am | RNS | Market update | 
                                                                            
                                            | 14th Jun 2018 7:00 am | RNS | Grant of Options | 
                                                                            
                                            | 13th Jun 2018 11:30 am | RNS | Result of AGM | 
                                                                            
                                            | 30th Apr 2018 7:00 am | RNS | Final Results and Notice of AGM | 
                                                                            
                                            | 18th Apr 2018 7:00 am | RNS | Q1 2018 Market Update | 
                                                                            
                                            | 16th Apr 2018 1:30 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 11th Apr 2018 6:20 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 11th Apr 2018 6:20 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 20th Mar 2018 3:05 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 15th Mar 2018 1:24 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 14th Feb 2018 7:00 am | RNS | Production commences at IO#7 | 
                                                                            
                                            | 30th Jan 2018 3:00 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 15th Jan 2018 7:00 am | RNS | Market Update | 
                                                                            
                                            | 14th Dec 2017 7:00 am | RNS | Market Update | 
                                                                            
                                            | 16th Nov 2017 7:00 am | RNS | IO#7 Progress and Market Update | 
                                                                            
                                            | 20th Oct 2017 4:40 pm | RNS | Second Price Monitoring Extn | 
                                                                            
                                            | 20th Oct 2017 4:35 pm | RNS | Price Monitoring Extension | 
                                                                            
                                            | 10th Oct 2017 7:00 am | RNS | Q3 2017 Market Update | 
                                                                            
                                            | 22nd Sep 2017 7:00 am | RNS | Interim Results | 
                                                                            
                                            | 12th Sep 2017 7:00 am | RNS | Construction of IO#7 to Expand Iodine Production | 
                                                                            
                                            | 14th Jul 2017 7:00 am | RNS | Corporate and Production Update | 
                                                                            
                                            | 14th Jun 2017 12:15 pm | RNS | Result of AGM | 
                                                                            
                                            | 13th Jun 2017 12:07 pm | RNS | Second Price Monitoring Extn | 
                                                                            
                                            | 13th Jun 2017 12:02 pm | RNS | Price Monitoring Extension | 
                                                                            
                                            | 8th Jun 2017 12:07 pm | RNS | Second Price Monitoring Extn | 
                                                                            
                                            | 8th Jun 2017 12:02 pm | RNS | Price Monitoring Extension | 
                                                                            
                                            | 7th Jun 2017 12:07 pm | RNS | Second Price Monitoring Extn | 
                                                                            
                                            | 7th Jun 2017 12:02 pm | RNS | Price Monitoring Extension | 
                                                                            
                                            | 6th Jun 2017 12:07 pm | RNS | Second Price Monitoring Extn | 
                                                                            
                                            | 6th Jun 2017 12:02 pm | RNS | Price Monitoring Extension | 
                                                                            
                                            | 24th May 2017 4:40 pm | RNS | Second Price Monitoring Extn | 
                                                                            
                                            | 24th May 2017 4:35 pm | RNS | Price Monitoring Extension | 
                                                                            
                                            | 24th May 2017 12:07 pm | RNS | Second Price Monitoring Extn | 
                                                                            
                                            | 24th May 2017 12:02 pm | RNS | Price Monitoring Extension |